What time is it in Guaynabo right now?

The clock at the top of this page shows the current local time in Guaynabo, Puerto Rico, updated every second from your device's clock and the IANA time zone rules for America/Puerto_Rico. Guaynabo is 4 hours behind UTC right now.

What time zone is Guaynabo in?

Guaynabo uses AST (Atlantic Standard Time). Its IANA time zone identifier is America/Puerto_Rico, and the current UTC offset is UTC−4.

Does Guaynabo observe daylight saving time?

No. Guaynabo stays on UTC−4 all year, so the difference to cities that do change their clocks, such as New York or London, shifts by an hour twice a year.

How do I schedule a meeting with someone in Guaynabo?

Open the time zone converter for Guaynabo to see what a given time there is for you, or use the meeting planner to find the hours when both of you are at work. A Cal.com booking link does the conversion for your guests automatically: they see your availability in their own time zone and pick a slot that works.

Current local time in Guaynabo, Puerto Rico

Guaynabo is on AST (Atlantic Standard Time), UTC−4. Guaynabo does not observe daylight saving time, so the offset is the same all year.

Guaynabo, Puerto Rico

8:42 AM:26AST

Tuesday, October 27, 2026

UTC−4

Country: Puerto Rico
Region: Guaynabo
Lat/Long: 18°21'N / 66°07'W
Elevation: 47 m
Population: 81,360
Currency: Dollar (USD)
Languages: English, Spanish
Dialling code: ++1-787

Time zone in Guaynabo

Time zone
AST
Atlantic Standard Time
UTC offset
UTC−4
4 hours behind UTC
Daylight saving
None
Same offset all year
Next clock change
None scheduled
Guaynabo keeps UTC−4

Guaynabo keeps the time of the IANA zone America/Puerto_Rico, the one time zone in use in Puerto Rico. Guaynabo does not observe daylight saving time, so the offset is the same all year.

About AST Time zone converter for Guaynabo Meeting planner for Guaynabo

Sunrise and sunset in Guaynabo today

Sunrise
6:22 AM
Sunset
5:54 PM
Day length
11 hours 32 minutes
Date
Tue, Oct 27, 2026

Times are local to Guaynabo for Tue, Oct 27, 2026, computed for 18°21'N / 66°07'W.

Time difference between Guaynabo and other cities

The current local time in major cities around the world and how far each is ahead of or behind Guaynabo. Differences change when either side moves its clocks.

Current time in world cities compared to Guaynabo
City	Local time	Compared to Guaynabo
New YorkUnited States	Tue 8:42 AM	Same time
Los AngelesUnited States	Tue 5:42 AM	−3h (behind)
ChicagoUnited States	Tue 7:42 AM	−1h (behind)
TorontoCanada	Tue 8:42 AM	Same time
Mexico CityMexico	Tue 6:42 AM	−2h (behind)
São PauloBrazil	Tue 9:42 AM	+1h (ahead)
LondonUnited Kingdom	Tue 12:42 PM	+4h (ahead)
ParisFrance	Tue 1:42 PM	+5h (ahead)
BerlinGermany	Tue 1:42 PM	+5h (ahead)
MadridSpain	Tue 1:42 PM	+5h (ahead)
JohannesburgSouth Africa	Tue 2:42 PM	+6h (ahead)
DubaiUnited Arab Emirates	Tue 4:42 PM	+8h (ahead)
MumbaiIndia	Tue 6:12 PM	+9h 30m (ahead)
SingaporeSingapore	Tue 8:42 PM	+12h (ahead)
ShanghaiChina	Tue 8:42 PM	+12h (ahead)
TokyoJapan	Tue 9:42 PM	+13h (ahead)
SydneyAustralia	Tue 11:42 PM	+15h (ahead)
AucklandNew Zealand	Wed 1:42 AM	+17h (ahead)

Other cities near Guaynabo

All 21 cities in Puerto Rico

Frequently asked questions

Place data from GeoNames (CC BY 4.0). Times follow the IANA time zone database; sunrise and sunset are computed for the city's coordinates.